Coffee-roaster



(N0 Modl.) 2 Sheets--Sheet.1. V A. P. TEIGEN.

COFFEE ROASTEB Patented 0013. '22, 1896.

fltto'cumg (No Model.) -2 Sheets-Sheet 2.

A. F. 'I'EIGEN. COFFEE ROASTBR Patented Oct. 22, 1895.

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UNITED STATES PATENT OFFICE...

AUSTIN F. TEIGEN, OF HAGAN, MINNESOTA.

COFFEE-ROASTER.

SPECIFICATION forming part of Letters Patent No. 548,405, dated October22, 1895.

Application filed April1,1895- Serial No. 544,075. (No model.)

To all whom it may concern.-

Be it known that I, AUSTIN F. TEIGEN, a resident of Hagan, in the countyof Chippewa and State of Minnesota, have invented certain new and usefulImprovements in Roasters; and I do hereby declare the following to be afull, clear, and exact description of the invention, such as will enableothers skilled in the art to which it appertains to make and use thesame.

My invention relates to an improvement in roasters, and moreparticularly to such as are adapted for domestic use in roasting coffeeor peanuts, popping corn, or drying malt, the object of the inventionbeing to produce a roaster which shall be simple in construction,durable, easy, and cheap to manufacture, adaptable to any stove by theuse of which the material being treated will be prevented from becomingoverheated and burned, which can be operated by unskilled persons, andwhich shall be efiectual in every respect in the performance of itsfunctions.

With these objects in view the invention consists in certain novelfeatures of construction and combinations and arrangements of parts, ashereinafter set forth, and pointed out in the claims.

In the accompanying drawings, Figure 1 is a plan view of my improvedroaster. Fig. 2 is an end view partly in section. Fig. 3 is a sectionalview. Fig. 4 is a detail view.

A represents a plate or frame having an angular opening a for theaccommodation of a drum or cylinder B, said plate or frame beingintended to rest on the top of a stove over the opening therein and toprevent its displacement. It is provided on its under side with a seriesof legs b, adapted to project into the opening in the stove and bearagainst the wall thereof.

\Vhen the deviceis to be used on a gasolinestove, a detachable ring I)will be attached to the under side of the'plate or frame and held inplace by the engagement of a flange b thereon with the legs 1). When thering I) is to be removed, it will be slightly bent to disengage it fromthelegs b. In the drawings I have shown the device as adapted for useover a round hole in the stove; but it is evident that the device maybemade larger and elongated in form to fit an elongated opening in thestove top.

'A series of flanges c c d cl are bent up from the plate or frameA (orthese flanges maybe riveted to the plate or frame, if desired) and serveto brace said plate or frame' The diametrically-opposite flanges c c aremade-with notches c, which formlbearings for a shaft e, passing throughthe cylinder or drum B. One end of the shaft 6 is screw-threaded andpasses through a similarly-threaded perforation in a plate or block 6',secured to the inner face of one end of the drum, and the other end ofthe shaft extends a distance from the drum sufficient to clear the edgeof the stove and is made with a crank arm e by which to rotatethe drumor cylinder. The ends of a yoke f are bent hook-shaped, and the freeextremities of the arms of said yoke are pivotally connected with theflanges c c immediately under and in line with the bearings of the shaft8 on said flanges. In the normal position of the yoke its arms rest at fon the shaft and the yoke is disposed in practically a horizontalposition, so as to retain the shaft and cylinder in place while thedevice is being operated. The arms of the yoke are bent slightly upwardat f, so as to prevent the cross-bar of the yoke from resting on theplate or frame A, but permitting it to rest on a knob or catch f on saidplate or frame. The yoke f may also be used as a handle when it isdesired to move the device to and from the stove.

One end of the drum or cylinder is made with an opening g, through whichthe material to be treated can be inserted or dis charged. This openingwill be normally closed by means of a gate or cover It, having anopening near its inner end for the reception of a washer 713, on whichit can turn, said washer being located on the shaft e, and the outeredge of said gate or'cover is made with a lip h adapted to overlap aflange 71. on the end of the drum or cylinder.

A spring locking-plated is placed on the shaft e and retained in placeby means of a nut 2", one end of said plate resting on the gate or coverh and washer 72. and the other ICU end or edge resting on the end of thedrum or cylinder, so as to be normally in line with lugs or stops 71projecting from the gate, and thus retain the latter in its normalposition. Vhere the stops k engage the edge of the lock-plate 2, thelatter is bent outwardly slightly, so that when lateral pressure isapplied to the gate the stops will be permitted to pass under said plateagainst the resilience offered by the latter. The gate or cover h isalso provided with a knob or button 3'.

A lever is pivotally connected to one of the flanges c and lies normallyparallel with the gate or cover h. Thelever 7c is made wide and fiat atits pivoted end and is provided with a flange 70, which normally restson the plate or frame A and sustains said lever normally in the positionshown in Fig. 1. The lever 70 is also provided witha projection 70,which when the lever is turned to a horizontal position, indicated bydotted lines in Fig. 4, will be disposed in the path of the knob orbutton j on the gate or cover h. When the lever 70 shall havebeen turnedto the position just described and the drum rotated forwardly, the knobor buttonj will engage the projection k on said lever and prevent thefurther rotation of said gate or cover with the drum or cylinder, andthus the gate will be opened automatically without the necessity ofremoving the drum or cylinder from the frame and without removing theframe from the stove. While the lever in is in the horizontal positionabove described a backward rotation of the drum or cylinder will causethe button 7' to engage the other side of the projection 10 (said buttonhaving previously been permitted to pass said projection) and cause thegate or cover to be closed. The lever is will then be moved to itsnormal position, as shown in Fig. 1, and the rotation of the drum orcylinder will be continued until the roast-ing of its contents shallhave been completed.

On the interior of the cylinder or drum B a series of longitudinal ribsZ are secured. During the rotation of the drum or cylinder the contentsthereof will be lifted and then dropped, thus keeping the material undertreatment properly agitated and prevented from burning, the ribspreventing any of the material from remaining at the hottest part of thedrum a sufficient length of time to become injured by an excess of heat.

My improvements are very simple. in construction, cheap to manufacture,and are effectual in all respects in the performance of their functions.

Having fully described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. In a roaster, the combination with a frame and a revoluble cylinderor drum mounted therein and adapted to contain material to be roasted,of a ring removably attached to said frame, whereby to adapt the latterto a gasoline stove, substantially asset forth.

2. In a roaster, the combination with a frame, of a drumrevolubly-mounted in said frame and having an opening in one end, a gatenormally closing said opening, and means adapted to be set for openingand closing said gate without removing the drum from the frame,substantially as set forth.

3. In aroaster, the combination with a revoluble drum having a gate orcover, of means adapted to be set for opening and closing said gate orcover, substantially as set forth.

4. In a roaster, the combination with a frame and'a revoluble drumhaving an open ing in one end, of a gate or cover adapted to normallyclose said' opening, a lock plate to retain the gate or cover normallyclosed and means for opening and closing said gate or cover against theresistance of the lock plate,

substantially as set forth.

5. In a roaster, the combination with a frame and a revoluble cylinderhaving an opening in one end, of a pivoted gate adapted to normallyclose said opening, a lip on said gate to receive a flange on the drum,a lock plate to retain the gate normally closed and means for movingsaid gate, substantially as set forth.

6. In a roaster, the combination with a frame and a revoluble drum,having an opening in one end, of a pivoted gate adapted to normallyclose said opening, stops projecting from said gate, a spring lockingplate adapted to be engaged by said stops, and means for moving the gateagainst the resilience offered by the locking plate and. the engagementof the stops therewith, substantially as set forth.

7. In a roaster, the combination with a frame, a shaft mounted therein,and a drum having an opening, secured to said shaft and adapted torotate therewith, of a washer on .said shaft adjacent to one end of thedrum,

a gate mounted on said Washer and adapted to normally close the openingin the drum, stops projecting from said gate, a locking plate mounted onsaid shaft, said locking plate bearing at one edge on the gate andWasher and at the other edge on the drum, and means for turning saidgate on its fulcrum, substantially as set forth.

8. In a roaster, the combination with a I frame and a revoluble drummounted therein and having an opening in one end, of a gate adapted tonormally close said opening, means for retaining the gate normallyclosed, a button'on the gate, a pivoted arm or lever and a projection onthe arm or lever adapted to be disposed in the path of said button,substantially as and for the purpose set forth.

9. In a roaster, the combination with a frame, and a revoluble drummounted therein, of a yoke pivotally connected to the frame below and inline with the hearings on the drum, the arms of said yoke normallyextending over the journals of said drum, substantially as set forth.

10. In a roaster, the combination with a frame and a revoluble drummounted therein, of a yoke bent hook-shaped at its ends and piv- IIOotally connected to the frame below the bearings of the journals of thedrum and means for preventing the free end of the yoke from resting onthe frame, the arms of said yoke being adapted to extend over thejournals of the drum and prevent the displacement of the latter,substantially as set forth.

11. In a roaster, the combination with a plate or frame, flangesthereon, a drum and a shaft secured to the drum and mounted in saidflanges, of a shaft mounted in said flanges, a drum secured to saidshaft, a yoke bent hookshaped at its free ends and pivotally coningwitnesses.

AUSTIN F. TEIGEN. Witnesses:

ELIAS JAooBsAN, OLE WIFSUNNOR.

